Table 1 |
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Characteristics of H. influenzaecases by serotype detected from 2001 to 2005 (n = 192).# |
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Number cases/examined cases (% or 10–90th percentile) |
Type b N = 64 |
Non-type b – capsulated N = 18 |
Non-type b – uncapsulated N = 70 |
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Median age at disease onset (10–90th percentile) |
11 (3–40) |
31(5–68) |
26 (0–73) |
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Male sex |
36/64 (56%) |
9/18 (50%) |
49/70 (70%) |
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Diagnosis |
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Meningitis |
43/64 (67%) |
12/18 (67%) |
23/68 (34%)*** |
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Pneumonia |
5/64 (8%) |
3/18 (17%) |
14/68 (21%)* |
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Epiglottitis |
6/64 (9%) |
0/18 (0%) |
0/68 (0%)** |
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Septic arthritis |
1/64 (2%) |
1/18 (6%) |
0/68 (0%) |
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Osteomyelitis |
1/64 (2%) |
0/18 (0%) |
0/68 (0%) |
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Other foci |
4/64 (6%) |
1/18 (6%) |
12/68 (18%) |
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Septicaemia without focus |
4/64 (6%) |
1/18 (6%) |
19/68 (28%)* |
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No underlying disease |
56/63 (89%) |
14/18 (78%) |
40/65 (62%)*** |
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Outcome |
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recovery |
48/64 (75%) |
13/18 (72%) |
52/63 (83%) |
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sequelae |
12/64 (19%) |
4/18 (22%) |
9/63 (14%) |
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Death |
4/64 (6%) |
1/18 (6%) |
2/63 (3%) |
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Biotype |
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I |
31/45 (69%) |
10/17 (59%) |
11/70 (16%)*** |
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II |
13/45 (29%) |
5/17 (29%) |
31/70 (44%) |
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III |
0/45 (0%) |
1/17 (6%) |
18/70 (26%) |
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IV |
0/45 (0%) |
1/17 (6%) |
0/70 (0%) |
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V |
0/45 (0%) |
0/17 (0%) |
8/70 (11%)* |
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Other |
1/45 (2%) |
0/17 (0%) |
2/70 (3%)* |
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# if global tests were significant (p < 0.001), capsulated and uncapsulated non-type b cases were pairwise compared to type b cases (* p < 0.05, ** p < 0.01, *** p < 0.001). |
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Kalies et al. BMC Infectious Diseases 2009 9:45 doi:10.1186/1471-2334-9-45 |
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